Gladys West

American mathematician (1930–2026)

Gladys Brown West (née Gladys Mae Brown; October 27, 1930 – January 17, 2026) was an American mathematician. She was known for her contributions to mathematical modeling of the shape of the Earth, and her work on the development of satellite geodesy models, which were later incorporated into the Global Positioning System (GPS). West was inducted into the United States Air Force Hall of Fame in 2018.

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